#ifndef UTILS_HPP
# define UTILS_HPP

# include <vector>
# include <string>
# include <sstream>
# include <cstdlib>		// atoi
# include <cctype>		// tolower
# include <algorithm>	// transform

# define CR "\r"
# define LF "\n"
# define CRLF CR LF

// enum http_method
// {
// 	UNKNOWN	= 0b00000000,
// 	GET		= 0b00000001,
// 	POST	= 0b00000010,
// 	DELETE	= 0b00000100,
//	ANY_METHODS	= 0b11111111,
// };

enum http_method
{
	UNKNOWN = 0b0,
	GET = 1 << 0,
	POST = 1 << 1,
	DELETE = 1 << 2,
	ANY_METHODS = 0b11111111,
};

struct	listen_socket
{
	int			fd;
	std::string	host;
	std::string	port;
};
bool	operator==(const listen_socket& lhs, int fd);
bool	operator==(int fd, const listen_socket& rhs);

std::vector<std::string>	split(std::string input, char delimiter);
bool						isNumeric(std::string str);
bool						isNumeric_btw(int low, int high, std::string str);
std::string					itos(int n);
std::string					trim(std::string str, char c);
http_method					str_to_http_method(std::string &str);
std::string					http_methods_to_str(unsigned int methods);
void						replace_all_substr(std::string &str, const std::string &ori_substr, const std::string &new_substr);
std::string					str_tolower(std::string str);

#endif